| 8000 B.C. |
Cannabis Sativa recorded for its use in making hemp rope in China. |
| 1500 B.C. |
Cannabis Sativa used for recreational, religious and medical purposes in the Middle East. |
| 1900-1929 A.D. |
Mexico familiar with Cannabis Sativa. After the Mexican Revolution of 1910, many Mexican immigrants entered the US. They brought with them Cannabis, and introduced the culture to the recreational use of Marijuana.
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| 1930-1936 A.D. |
The Great Depression acts as a catalyst for the illegialization of marijuana. By 1931, 29 states had illegalized the plant. The FBN, Federal Bureau of Narcotics, comes into being as a government institution, headed by Harry J. Anslinger. |
| 1937 A.D. |
The Uniform State Narcotic Act recently fails. Then, following "a lurid national propaganda campaign against" marijuana, congress successfully passes the Marijuana Tax Act. Marijuana and its possession is criminalized. |